HELI-COIL Screw-Locking Tanged Helical Insert, 1/4"-28, 100 PK
3G Electric supplies the HELI-COIL Helical Insert: Tanged Tang Style, a screw-locking tanged helical insert with a 1/4"-28 fine thread, right-hand direction, and 18-8 material grade. This 100-pack offers a tensile…
SKU 3G-OTH-528896
Also listed as: A35914CNW500 · A3591 4CNW500
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
3G Electric supplies the HELI-COIL Helical Insert: Tanged Tang Style, a screw-locking tanged helical insert with a 1/4"-28 fine thread, right-hand direction, and 18-8 material grade. This 100-pack offers a tensile strength of 200,000 to 250,000 psi, a dry film lubricant finish, and is compatible with metal substrates. We interpret demand and deliver across 14 industrial departments—with specialist depth in combustion, pumps, and controls—backed by authorized distribution for brands like HELI-COIL, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal substrates. This screw-locking tanged style prevents loosening under vibration, making it ideal for automotive, aerospace, and industrial equipment where thread integrity is critical.
What are the specifications of the HELI-COIL A3591-4CNW500?
This 100-pack insert has a 1/4"-28 fine thread, right-hand direction, 18-8 material grade, and tensile strength of 200,000 to 250,000 psi. It features a dry film lubricant finish and requires an STI tap size of 1/4"-28.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. We handle full logistics and customs clearance, sourcing genuine parts like the A3591-4CNW500 across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.
How to install a tanged helical insert?
Install a tanged helical insert by drilling to the specified STI tap size, tapping the hole with the correct STI tap, then winding the insert into the thread using a tang drive tool. After installation, break off the tang for a flush finish.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
